Research Article

The Influence of Brightness on Functional Assessment by mfERG: A Study on Scaffolds Used in Retinal Cell Transplantation in Pigs

Table 2

Mean P1-amplitude values and ratios of visual streak obtained by multifocal electroretinogram before and 6 weeks after membrane implantation.

White PLGA
Week 0 ( )
White PLGA
Week 6 ( )
Blue PLGA
Week 6 ( )

Mean P1-amplitude, nV/deg2
 SIN visual streak, excl. memb. (SD)12,08 (3,58)8,05 (2,18)11,18 (1,56)
 DXT visual streak (SD)11,37 (4,46)7,18 (1,74)9,80 (2,60)
Mean P1-amplitude ratio for visual
 streak (Sin/Dxt) (SD)1,12 (0,19)1,12 (0,13)1,20 (0,28)

SD = standard deviation; Memb. = area of retina with underlying implanted membrane or scarring hereafter; Sin = Left membrane implanted eye; Dxt = right untouched corresponding eye.